Units and dimensions, dimensional analysis; least count, significant figures; methods of measurement and error analysis for prescribed experiments.
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Q1 · Error Analysis · EASY
If the measured values of two quantities are A ± ΔA and B ± ΔB, then the maximum fractional error in A/B is
Q2 · Prescribed Experiments · EASY
In a vernier caliper, 10 vernier scale divisions coincide with 9 main scale divisions. If the smallest division on the main scale is 1 mm, the least count is
Q3 · Units and Dimensions · MEDIUM
The SI unit of universal gravitational constant G is
Q4 · Units and Dimensions · MEDIUM
Which of the following pairs has the same dimensional formula?
Q5 · Error Analysis · MEDIUM
The percentage error in the measurement of mass and speed are 2% and 3% respectively. The maximum percentage error in kinetic energy obtained by measuring mass and speed will be